|
|
|
|
| LEADER |
01000naa a22002652 4500 |
| 001 |
NLM172165776 |
| 003 |
DE-627 |
| 005 |
20231223131220.0 |
| 007 |
tu |
| 008 |
231223s2007 xx ||||| 00| ||eng c |
| 028 |
5 |
2 |
|a pubmed24n0574.xml
|
| 035 |
|
|
|a (DE-627)NLM172165776
|
| 035 |
|
|
|a (NLM)17703662
|
| 040 |
|
|
|a DE-627
|b ger
|c DE-627
|e rakwb
|
| 041 |
|
|
|a eng
|
| 100 |
1 |
|
|a Hosono, Yasuharu
|e verfasserin
|4 aut
|
| 245 |
1 |
0 |
|a Effects of fine metal oxide particle dopant on the acoustic properties of silicone rubber lens for medical array probe
|
| 264 |
|
1 |
|c 2007
|
| 336 |
|
|
|a Text
|b txt
|2 rdacontent
|
| 337 |
|
|
|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
|
| 338 |
|
|
|a Band
|b nc
|2 rdacarrier
|
| 500 |
|
|
|a Date Completed 13.09.2007
|
| 500 |
|
|
|a Date Revised 17.09.2019
|
| 500 |
|
|
|a published: Print
|
| 500 |
|
|
|a Citation Status MEDLINE
|
| 520 |
|
|
|a The effects of fine metal oxide particles, particularly those of high-density elements (7.7 to 9.7 x 10(3) kg/m3), on the acoustic properties of silicone rubber have been investigated in order to develop an acoustic lens with a low acoustic attenuation. Silicone rubber doped with Yb2O3 powder having nanoparticle size of 16 nm showed a lower acoustic attenuation than silicone rubber doped with powders of CeO2, Bi2O3, Lu2O3 and HfO2. The silicone rubber doped with Yb2O3 powder showed a sound speed of 0.88 km/s, an acoustic impedance of 1.35 x 10(6) kg/m2s, an acoustic attenuation of 0.93 dB/mmMHz, and a Shore A hardness of 55 at 37 degrees C. Although typical silicone rubber doped with SiO2 (2.6 x 10(3) kg/m3) shows a sound speed of about 1.00 km/s, heavy metal oxide particles decreased the sound velocities to lower than 0.93 km/s. Therefore, an acoustic lens of silicone rubber doped with Yb2O3 powder provides increased sensitivity because it realizes a thinner acoustic lens than is conventionally used due to its low sound speed. Moreover, it has an advantage in that a focus point is not changed when the acoustic lens is pressed to a human body due to its reasonable hardness
|
| 650 |
|
4 |
|a Comparative Study
|
| 650 |
|
4 |
|a Journal Article
|
| 650 |
|
7 |
|a Oxides
|2 NLM
|
| 650 |
|
7 |
|a Silicones
|2 NLM
|
| 650 |
|
7 |
|a titanium dioxide
|2 NLM
|
| 650 |
|
7 |
|a 15FIX9V2JP
|2 NLM
|
| 650 |
|
7 |
|a Cerium
|2 NLM
|
| 650 |
|
7 |
|a 30K4522N6T
|2 NLM
|
| 650 |
|
7 |
|a Lutetium
|2 NLM
|
| 650 |
|
7 |
|a 5H0DOZ21UJ
|2 NLM
|
| 650 |
|
7 |
|a ceric oxide
|2 NLM
|
| 650 |
|
7 |
|a 619G5K328Y
|2 NLM
|
| 650 |
|
7 |
|a bismuth oxide
|2 NLM
|
| 650 |
|
7 |
|a A6I4E79QF1
|2 NLM
|
| 650 |
|
7 |
|a Titanium
|2 NLM
|
| 650 |
|
7 |
|a D1JT611TNE
|2 NLM
|
| 650 |
|
7 |
|a Aluminum Oxide
|2 NLM
|
| 650 |
|
7 |
|a LMI26O6933
|2 NLM
|
| 650 |
|
7 |
|a Ytterbium
|2 NLM
|
| 650 |
|
7 |
|a MNQ4O4WSI1
|2 NLM
|
| 650 |
|
7 |
|a Bismuth
|2 NLM
|
| 650 |
|
7 |
|a U015TT5I8H
|2 NLM
|
| 650 |
|
7 |
|a Hafnium
|2 NLM
|
| 650 |
|
7 |
|a X71938L1DO
|2 NLM
|
| 700 |
1 |
|
|a Yamashita, Yohachi
|e verfasserin
|4 aut
|
| 700 |
1 |
|
|a Itsumi, Kazuhiro
|e verfasserin
|4 aut
|
| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 54(2007), 8 vom: 13. Aug., Seite 1589-95
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
|
| 773 |
1 |
8 |
|g volume:54
|g year:2007
|g number:8
|g day:13
|g month:08
|g pages:1589-95
|
| 912 |
|
|
|a GBV_USEFLAG_A
|
| 912 |
|
|
|a SYSFLAG_A
|
| 912 |
|
|
|a GBV_NLM
|
| 912 |
|
|
|a GBV_ILN_22
|
| 912 |
|
|
|a GBV_ILN_24
|
| 912 |
|
|
|a GBV_ILN_350
|
| 951 |
|
|
|a AR
|
| 952 |
|
|
|d 54
|j 2007
|e 8
|b 13
|c 08
|h 1589-95
|